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Waco Weather by Month
Average temperatures, rainfall and humidity for Waco, United States, month by month, built from OpenWeather’s historical records. Use it to see what a typical Waco month looks like before you travel — then check the live Waco forecast for the days ahead.
Warmest month
August
36°C average high
Coolest month
January
4°C average low
Wettest month
May
113 mm of rain
Driest month
August
26 mm of rain
Average temperature and rainfall in Waco by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 16°C | 4°C | -12°C / 30°C | 45 mm | 67% | 15 km/h |
| February | 18°C | 6°C | -17°C / 31°C | 31 mm | 70% | 16 km/h |
| March | 23°C | 11°C | -9°C / 33°C | 45 mm | 67% | 18 km/h |
| April | 26°C | 14°C | -1°C / 36°C | 53 mm | 71% | 18 km/h |
| May | 29°C | 18°C | 2°C / 36°C | 113 mm | 73% | 16 km/h |
| June | 34°C | 23°C | 14°C / 40°C | 51 mm | 69% | 15 km/h |
| July | 36°C | 24°C | 16°C / 44°C | 38 mm | 64% | 14 km/h |
| August | 36°C | 24°C | 18°C / 43°C | 26 mm | 61% | 13 km/h |
| September | 33°C | 21°C | 10°C / 42°C | 39 mm | 65% | 12 km/h |
| October | 28°C | 15°C | 0°C / 39°C | 94 mm | 65% | 14 km/h |
| November | 21°C | 10°C | -5°C / 33°C | 52 mm | 71% | 14 km/h |
| December | 18°C | 6°C | -11°C / 29°C | 38 mm | 72% | 14 km/h |
Best time to visit Waco
The most comfortable time to visit Waco is generally March to April and November, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around May, totalling about 627 mm a year.
Travellers who prefer heat should aim for August, when highs average 36°C. May is the month to avoid if rain would spoil your plans — it averages 113 mm, roughly 4× the rainfall of the driest month (August).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Waco forecast for what is happening now.